How to Disassemble Acer Aspire 5742 Inside My Laptop

8/10/2019 How to Disassemble Acer Aspire 5742 Inside My Laptop

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How to disassemble Acer Aspire 5742

In this guide I explain how to disassemble an Acer Aspire 5742 series laptop.

In my case Im taking apart an Acer Aspire 5742-6682 model.

Also this guide will work for Acer Aspire 5742z.

Make sure the computer is turned off before you start the disassembly process.

STEP 1.

Unlock and remove the battery.

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STEP 2.

Remove two screws securing the hard drive/memory cover on the bottom.

Lift up and remove the cover.

Under the cover youll get access to the following components:

Hard drive.

Wireless card.

CMOS battery.

Both memory modules.

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STEP 3.

The hard drive assembly secured by one screw located in the lower right part of the mount

Remove one screw securing the hard drive.

Slide the hard drive assembly to the right to disconnect it from the motherboard.

STEP 4.

Lift up and remove the hard drive assembly.

Acer Aspire 5742 comes with a regular 2.5? SATA hard drive. This hard drive can be replac

capacity 2.5? SATA HDD or 2.5? SSD.

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STEP 5.

Remove one screw securing the optical drive.

Pull the optical drive to the right and remove it.

STEP 6.

NOTE: in order to remove and replace the keyboard it is not necessary to go through the p

follow instructions in steps 6 11.

The keyboard secured to the top case by six spring loaded latches.

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In order to remove the keyboard its necessary to push on each latch with a small screwdri

the keyboard a little bit so the latch doesnt lock back in place.

STEP 7.

After all latches unlocked you can insert your fingers under the keyboard close to LCD s

keyboard.

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STEP 8.

Continue removing the keyboard and place it upside down on the palmrest.

Be careful. The keyboard still connected to the motherboard.

The keyboard cable connector located under the keyboard.

Before you remove the keyboard its necessary to unlock the connector and release the cabl

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In the following two steps I explain how to unlock the keyboard connector.

STEP 9.

Very carefully move the retaining tab about 2 millimeters to the shown direction.

The retaining tab must remain connected to the connector base.

STEP 10.

On this picture the connector shown in the UNLOCKED position.

Now you can pull the keyboard cable from the connector.

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STEP 11.

Remove the keyboard.

STEP 12.

Remove all screws from the bottom.

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STEP 13.

Disconnect three cables from the motherboard left to right):

- Power button board cable.

- Speaker cable.

- Touchpad cable.

Disconnect the power button board cable and touchpad cable same way you disconnected the

Unlock the connector by moving the retainer about 2 millimeters to the shown direction.

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Pull cable from the connector.

Heres how to disconnect the speaker cable.

Simply unplug it form the motherboard.

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STEP 14.

Remove screws securing the top cover palmrest) assembly.

STEP 15.

Start separating the top cover assembly from the bottom cover.

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STEP 16.

Remove the top cover assembly.

On the bottom side of the top cover assembly you can access the following components:

Speaker. I was very surprised to find out that Acer Aspire 5742 has only ONE speaker in

Power button board.

Touchpad.

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After you remove the top cover assembly youll get access to the motherboard USB board c

other internal components.

Acer Aspire 5742 has a DC power jack harness which can be replaced without soldering if t

The cooling fan also can be easily accessed and replaced or cleaned after you remove the

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It takes hours to create one disassembly guide and only a minute to dona

17 Comments

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17

IML TechSays:

July 12th, 2014 at 8:48 am

@ Jon,

I dont know any known heat related issues with this model.

If vacuuming out all the dust doesnt work and the laptop still overheats, try removin

the step 16 and blow off dust with and air compressor.

16

Jon Says:

July 10th, 2014 at 10:52 am

Hello, I love this site best instruction Ive seen yet My computer has been overheat

shutting down) and have had some success in this situation with other laptops just by

etc. Do you know of any known issues like this with this model, or can you recommend

take? Thanks so much

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IML TechSays:

February 19th, 2014 at 7:28 am

@ Clemens,

Do you remember if the Notebook have a MXM B Interface wich make it possible to

No, it doesnt. The GPU is built into the motherboard and cannot be replaced.

14

Clemens Says:

February 19th, 2014 at 4:03 am

Hi Mate,

thank you for your Guide.

This is so usefull and helpfull.

One question before I start disassemble the Notebook:

Do you remember if the Notebook have a MXM B Interface wich make it possible to chang

Kind regards from Germany

13

Chuong Says:

October 11th, 2013 at 9:58 am

Thanks for the disassemble guide. I have a question, the internal speaker failed, I o

back in speaker cable but still the same, is it likely to have speaker failure or it

12

Ruwan Says:

June 21st, 2013 at 8:23 pm

Thanks.. Great tutorial..

11

Arya Says:

June 16th, 2013 at 6:04 am

Friend, This is very useful guidance. I know some about desktops. I have Compaq CQ42

problem. It works well with a compatible battery replaced recently. But when using au

application within few minutes, every task start hanging (system becomes very slow),

over heated, fan sound is audible. But surprisingly if I connects power cord to charg

application resumes to normal speed, except audio distortion. Is compatible battery a

2+ hours backup)? Or motherboard has developed any problem, Any hint please?

10

Mal Says:

June 15th, 2013 at 1:34 pm

I am trying to install a bluetooth module. Where does this get placed and where does

getting the bluetooth to work, only to find out my computer never came with the modul

obviously was pointless. Help please.

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9

Randy Says:

June 13th, 2013 at 12:17 am

Thank you very much you have just solved my over heating problem. Ive got another que

Aspire 5742G . The battery indicator just continously blink. Could it be my faulty se

battery problem? Please advice.

Thanks.

8

Eduard Says:

June 7th, 2013 at 2:30 am

Hi,

Great guide, Ive got a question Im experiencing problems with my Acer Aspire 5742G.

problem is a faulty DC Adapter. My question is in order to change the DC Adapter will

motherboard or its less complicated?

I would greatly appreciate any help. Maybe you have a guide on that ?

Kind regards

Eduard

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How to Disassemble Acer Aspire 5742 Inside My Laptop